Continuity mistake: When Mulder and Scully are moving into the house, there is a shot of Mulder's watchface which reads that the date is the 7th. A few minutes later, Scully is walking around with a video camera, and narrating and she says the date is February the 24th. (00:08:35 - 00:09:30)
Continuity mistake: When Mulder lies on the bed, he's wearing shoes, but when Scully tells him goodbye and he gets out of the bed, he's not. (00:24:10)
Answer: As he stated many times throughout the series, Mulder needed Scully to be sober and skeptical. Whenever Scully's skepticism wavered and she started questioning her own rationality, Mulder would try to restore her sense of skepticism, because he needed her to be clear-thinking.
Charles Austin Miller